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The velocity of an object is …

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The velocity of an object is suddenly doubled.if its kinetic energy earlier was 100 j what is the new kinetic  energy?

    • Posted by Aarti Sharma 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Ayush Das 7 years, 2 months ago

    Kinetic energy = 1/2 mv2 

    If velocity is doubled then KE increases  4 times.

    So the answer would be 4*100= 400 joules

    0Thank You

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